@mdboom There will be floating point differences when run on different machines but other than that they should be the same. I am getting now

```
In [32]: print(new_model.param_sets)
[[  1.00000000e+00   1.00000000e+00]
 [  2.00000000e+00   2.00000000e+00]
 [  3.88335494e-16   3.88335494e-16]
 [ -2.99722373e-17  -2.99722373e-17]]
```